B. dupainii

Boletus L.

Recent molecular studies have shown that Boletus in its current circumscription is likely an artificial grouping and it is possible that it will be split at some point into smaller genera. Note that Boletus impolitus and Boletus depilatus for practical reasons are retained here, although there is strong evidence that they are closely related to Xerocomus subtomentosus and its allies.

Fruitbody large to medium sized, boletoid, without veil and ring. Stipe solid, with surface usually covered with granules or network. Flesh variously coloured, changing or not when exposed to air. Tubes easily separable from each other, not tearing apart. Pores usually small and rounded.

Distribution. More or less southern species. Records are available from Austria, Bulgaria, Croatia, Germany, France, Greece, Hungary, Italy, Russia, Serbia and Montenegro, Slovakia, Slovenia, Spain, Switzerland and Turkey. Extraeuropean findings are known from the Russian Far East and North America, however these encounters need confirmation for conspecificity by molecular techniques. Boletus reichertii described from Israel seems very close to Boletus dupainii and needs further study.

Photographs

Ample collection of Boletus dupainii. Here and on the photographs below note the colour variability of this species. (photo G. Konstantinidis)

Fruitbodies of Boletus dupainii. (photo G. Konstantinidis)

Fruitbodies of Boletus dupainii in different stages of development. (photo G. Konstantinidis)

Fruitbody of Boletus dupainii. (photo G. Konstantinidis)

Fruitbody of Boletus dupainii. (photo B. Assyov)

Boletud dupainii - detail of the granulated stipe surface.

Fruitbodies of Boletus dupainii. (photo L. Georgiev)

Boudier's illustration of Boletus dupainii accompanying the original description of the species.